package org.nanohttpd.junit.protocols.http;

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import java.io.File;
import java.io.IOException;
import java.util.UUID;

import org.junit.Assert;
import org.junit.Test;
import org.nanohttpd.protocols.http.tempfiles.DefaultTempFile;
import org.nanohttpd.protocols.http.tempfiles.DefaultTempFileManager;

/**
 * Created by Victor Nikiforov on 10/16/15.
 */
public class JavaIOTempDirExistTest {

    @Test
    public void testJavaIoTempDefault() throws Exception {
        String tmpdir = System.getProperty("java.io.tmpdir");
        DefaultTempFileManager manager = new DefaultTempFileManager();
        DefaultTempFile tempFile = (DefaultTempFile) manager.createTempFile("xx");
        File tempFileBackRef = new File(tempFile.getName());
        Assert.assertEquals(tempFileBackRef.getParentFile(), new File(tmpdir));

        // force an exception
        tempFileBackRef.delete();
        Exception e = null;
        try {
            tempFile.delete();
        } catch (Exception ex) {
            e = ex;
        }
        Assert.assertNotNull(e);
        manager.clear();
    }

    @Test
    public void testJavaIoTempSpecific() throws IOException {
        final String tmpdir = System.getProperty("java.io.tmpdir");
        try {
            String tempFileName = UUID.randomUUID().toString();
            File newDir = new File("target", tempFileName);
            System.setProperty("java.io.tmpdir", newDir.getAbsolutePath());
            Assert.assertEquals(false, newDir.exists());
            new DefaultTempFileManager();
            Assert.assertEquals(true, newDir.exists());
            newDir.delete();
        } finally {
            System.setProperty("java.io.tmpdir", tmpdir);
        }

    }

}
